function _get_system_info(uni){  //获取系统信息
	//#ifdef MP-WEIXIN
	const system_info = uni.getSystemInfoSync();
	let MenuButton = wx.getMenuButtonBoundingClientRect();//获取胶囊按钮的坐标信息
	let status_bar_height = system_info.statusBarHeight;
	//let navigation_bar_height = MenuButton.height + (MenuButton.top-status_bar_height)*2;
	let navigation_bar_height = 44;
	let height = status_bar_height+navigation_bar_height;
	
	return {
		system_info,
		menu_button:MenuButton,
		head:{
			height, //head总高度
			status_bar_height, //状态栏高度
			navigation_bar_height, //导航栏高度
		},
		
	}
	//#endif
}
export{
	_get_system_info,
}